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Frigidaire FAQ065S7A12 Filter
The filter is there for removing microscopic dust and other miniscule particles as it is being forced through the system. This simple filter can help keep the wall unit from building up too much dust and make it run more efficient while also filtering the air you breathe. Due to the amount of dust in the house, the unit filter must be changed out or cleaned periodically in order to keep things clean.
Warnings your filter will soon need to be replaced
- Manufacturers have recommended to replace the filter about every 90 days to keep the air inside clean and free of harmful dust
- The main filter looks brown and maybe should be replaced right away
- With a light behind the air filter, the light will not infiltrate to the opposite side of the filter
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